#!/bin/sh

# Slackware build script for passenger

# Copyright 2015 Thibaut Notteboom, Paris, FRANCE
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=passenger
VERSION=${VERSION:-5.0.16}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP

DESTDIR=$( ruby -r rbconfig -e '
include RbConfig
printf("%s/%s/gems/%s\n",
  CONFIG["libdir"],
  CONFIG["RUBY_INSTALL_NAME"],
  CONFIG["ruby_version"]
      )
')

gem specification $CWD/$PRGNAM-$VERSION.gem | \
  ruby -r yaml -r rbconfig -e '
c = RbConfig::CONFIG
path = sprintf("%s/%s/gems/%s",
        c["libdir"],
        c["RUBY_INSTALL_NAME"],
        c["ruby_version"])
sys_gemspecs = Dir.glob(path + "/specifications/**/*.gemspec").map {|g| gs = Gem::Specification.load(g); gs.name }
obj = Gem::Specification.from_yaml($stdin)
obj.dependencies.each {|dep|
        if not(dep.type == :runtime)
                next
        end
        if not(sys_gemspecs.include?(dep.name))
                $stderr.write("WARNING: #{dep.name} gem not found\n")
                sleep 0.5
        end

}'

gem install \
  --local \
  --no-update-sources \
  --ignore-dependencies \
  --backtrace \
  --install-dir $PKG/$DESTDIR \
  --bindir $PKG/usr/bin \
  $CWD/$PRGNAM-$VERSION.gem

$PKG/$DESTDIR/gems/passenger-${VERSION}/bin/passenger-install-apache2-module --auto

mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/httpd/modules
install -m 755 $PKG/$DESTDIR/gems/passenger-${VERSION}/buildout/apache2/mod_passenger.so \
  $PKG/usr/lib${LIBDIRSUFFIX}/httpd/modules/mod_passenger.so

mkdir -p $PKG/etc/httpd/extra
sed -e "s%@baselibdir@%lib${LIBDIRSUFFIX}%" \
    -e "s%@passengerdir@%${DESTDIR}/gems/passenger-${VERSION}%" \
    $CWD/mod_passenger.conf > $PKG/etc/httpd/extra/mod_passenger.conf.new

mkdir -p $PKG/usr/man/{man1,man8}
cp $PKG/$DESTDIR/gems/passenger-${VERSION}/man/*.1 $PKG/usr/man/man1
cp $PKG/$DESTDIR/gems/passenger-${VERSION}/man/*.8 $PKG/usr/man/man8

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
tar -x -O --file=$CWD/$PRGNAM-$VERSION.gem data.tar.gz \
  | tar -xz -C $PKG/usr/doc/$PRGNAM-$VERSION --file=- \
  CHANGELOG CONTRIBUTING.md CONTRIBUTORS doc/ INSTALL.md LICENSE README.md 
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
